求翻译：目前我国公交车辆己从原有的人工语音报站发展到现在的自动语音报站。 就报站语音而论，绝大多数报站装置都采用IsD系列的语音芯片，部分报站产品也有采用最新的数字语音处理合成技术，两者各有优缺点。前者成本低，但音质较差，且更改报站信息不灵活，当公交车辆临时改道时必须重新对语音芯片编程; 后者受信息容量、语音音质的限制，且更换信息仍需专业设备。因此设计一款能 够方便地更换报站信息、播放高音质语音信息的公交车报站器愈显重要。是什么意思？

At present public transport vehicles in China has been development of the artificial voice stop the automatic voice stop. Stop in terms of voice, the vast majority of the stop device isd series speech chips, some stop products using the latest digital voice processing synthesis technology, both have

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At present our country public transportation vehicles oneself develops the present automatic pronunciation newspaper station from the original artificial pronunciation newspaper station. Speaking of the newspaper station pronunciation, the overwhelming majority newspaper station installment all uses

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正在翻译，请等待...